Our previous studies have shown that licochalcone A, an oxygenated chalcone, has antileishmanial (M. Chen, S.B. Christensen, J. Blom, E. Lemmich, L. Nadelmann, K. Fich, T.G. Theander, and A. Kharazmi, Antimicrob, Agents Chemother. 37:2550-2556, 1993; M. Chen, S.B. Christensen, T.G. Theander, and A. Khrazmi, Antimicrob. Agents Chemother. 38:1339-1344, 1994) and antimalarial (M. Chen, T.G. Theand...

objective: there are several factors, like environmental agents, neurotrophic factors, serotonin and some hormones such as estrogen, affecting neurogenesis and neural differentiation. regarding to importance of proliferation and regeneration in central nervous system, and a progressive increase in neurodegenerative diseases, cell therapy is an attractive approach in neuroscience. the aim of the...

OBJECTIVE To analyze the influence of psychosocial and organizational factors relating to adherence to standard precautions for preventing exposure to biological material in hospitals. METHODS A cross-sectional study was conducted among 270 medical and nursing professionals at a university hospital in the municipality of São Paulo, Southeastern Brazil, in 2002. After selection by means of sim...

HINDRIK MULDER,1,2 SAMUEL GEBRE-MEDHIN,3,4 CHRISTER BETSHOLTZ,4 FRANK SUNDLER,2 AND BO AHRÉN5 1Section for Molecular Signaling, Department of Cell and Molecular Biology, Lund University, SE-221 00 Lund; 2Section for Neuroendocrine Cell Biology, Department of Physiological Sciences, Lund University, SE-221 85 Lund; 3Section for Molecular and Cellular Physiology, Department of Physiological Scien...

Islam and Muslims have been in the headlines recently for one reason or another. But the practice of medicine in an Islamic conservative country such as Saudi Arabia has not been adequately reported. Many questions about cultural differences in the practice of medicine have been directed at me by non-Muslim colleagues. Below, I have tried to answer some of them after practising at a university ...